Blue Flag (Iris versicolor)
Iris (Iris Ssp.) Lily-like with leaves which are long and narrow.
Flowers are large with pink, blue, lilac, and purple to white, brown, yellow, orange and almost black flowers.
Toxic Part: Leaves and rootstock. Burning and severe pain in the intestinal tract; nausea and severe diarrhoea.
Skin irritation may result from the sap and seeds in some species. Primary Poisons: irisin, iridin or irisine.

Information reference: Waltham Forest Fuchsia, Pelargonium and Horticultural Society, London
http://www.communigate.co.uk/london/fuchsia/index.phtml

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